订: conclude; draw up; agree on座位: seat; place预订座位: to reserve a seat车上有预订座位吗: are there reserved seats on the train我一定要预订座位吗: do i have to reserve a seat订座: reserve a seat; subscription座位: seat; place 这个体育馆有500个座位。 the stadium seats 500订座, 留票: ticket reservation订座员: booking clerk订座;预订桌子: reserve a table订座凭证: seat reservation voucher订座情况: status订座系统: computer reservation system预订座席: seat reservation预先订座: reserve a table订座记录编号: booking reference机票订座期限: ticketing time limit未订座的机票: no record预订座席计划: seat reservation planhla座位: hla locus底座,座位: seat掉座位: swop places with sb多座位: multi-seat副座位: auxiliary seat换座位: change our seats